<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <meta http-equiv="X-UA-Compatible" content="ie=edge" />
    <title>Document</title>
    <style>
      html {
        font-size: 50px;
      }

      img {
        /* width: 82px;
            height: 82px; */
        /* width: 1.64rem;
            height: 1.64rem; */
        /* width: 82 / 50; */
      }

      div {
        background-color: red;
      }

      p {
        background-color: red;
      }

      span {
        background-color: red;
      }
    </style>
  </head>

  <body></body>
</html>
